22002320021023 has 4 divisors (see below), whose sum is σ = 22142462186920. Its totient is φ = 21862177855128.

The previous prime is 22002320021021. The next prime is 22002320021041. The reversal of 22002320021023 is 32012002320022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22002320021023 - 2¹ = 22002320021021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002320021021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70071082713 + ... + 70071083026.

It is an arithmetic number, because the mean of its divisors is an integer number (5535615546730).

Almost surely, 2^{22002320021023} is an apocalyptic number.

22002320021023 is a deficient number, since it is larger than the sum of its proper divisors (140142165897).

22002320021023 is a wasteful number, since it uses less digits than its factorization.

22002320021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140142165896.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22002320021023 its reverse (32012002320022), we get a palindrome (54014322341045).

The spelling of 22002320021023 in words is "twenty-two trillion, two billion, three hundred twenty million, twenty-one thousand, twenty-three".